Home / 43,918.72-65,749.56-27,228.40

Finding the Fourth Proportional to 43,918.72, 65,749.56 and 27,228.40

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Solution

The fourth proportional to 43,918.72, 65,749.56 and 27,228.40 is: 40,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,918.72 : 65,749.56 = 27,228.40 : x
  2. Step 2: Convert to fraction form
    43,918.72/65,749.56 = 27,228.40/x
  3. Step 3: Cross multiply
    43,918.72x = 65,749.56 × 27,228.40
  4. Step 4: Simplify right side
    43,918.72x = 1,790,255,319.50
  5. Step 5: Solve for x
    x = 1,790,255,319.50/43,918.72
  6. Step 6: Final answer
    x = 40,762.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.